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A New Tied Arch to Replace a Rural Mississippi River Crossing

A New Tied Arch to Replace a Rural Mississippi River Crossing
Auteur(s): ,
Présenté pendant IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, publié dans , pp. 3467-3474
DOI: 10.2749/222137817822208645
Prix: € 25,00 incl. TVA pour document PDF  
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The US 52 bridge over the Mississippi River provides a crucial transportation link for the region, connecting Savanna, Illinois to Sabula, Iowa with the nearest alternate Mississippi River crossing...
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Détails bibliographiques

Auteur(s): (Parsons, Chicago, IL, USA)
(Parsons, Chicago, IL, USA)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Publié dans:
Page(s): 3467-3474 Nombre total de pages (du PDF): 8
Page(s): 3467-3474
Nombre total de pages (du PDF): 8
Année: 2017
DOI: 10.2749/222137817822208645
Abstrait:

The US 52 bridge over the Mississippi River provides a crucial transportation link for the region, connecting Savanna, Illinois to Sabula, Iowa with the nearest alternate Mississippi River crossing located almost 32 kilometers to the south and is now rapidly approaching the end of its useful life. The proposed replacement consists of 12 spans totalling 748 meters from a causeway in the middle of the Upper Mississippi River Wildlife and Fish Refuge in the Mississippi River on the Iowa side to the high bluffs of the Mississippi Palisades in Illinois. The 166.4-meter main span steel tied-arch over the navigation channel incorporates a floating deck system and redundancy design concepts while simplifying details. The construction of deep cofferdams in the river is eliminated in favour of large diameter drilled shafts foundations with waterline footings, the first use of this construction method by the Illinois DOT.